1012435265 has 8 divisors (see below), whose sum is σ = 1221635688. Its totient is φ = 805472640.

The previous prime is 1012435243. The next prime is 1012435279. The reversal of 1012435265 is 5625342101.

It can be written as a sum of positive squares in 4 ways, for example, as 138109504 + 874325761 = 11752^2 + 29569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012435265 - 2⁶ = 1012435201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558452 + ... + 560261.

It is an arithmetic number, because the mean of its divisors is an integer number (152704461).

Almost surely, 2^1012435265 is an apocalyptic number.

It is an amenable number.

1012435265 is a deficient number, since it is larger than the sum of its proper divisors (209200423).

1012435265 is a wasteful number, since it uses less digits than its factorization.

1012435265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118899.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1012435265 is about 31818.7879247466. The cubic root of 1012435265 is about 1004.1280243007.

Adding to 1012435265 its reverse (5625342101), we get a palindrome (6637777366).

The spelling of 1012435265 in words is "one billion, twelve million, four hundred thirty-five thousand, two hundred sixty-five".